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44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include <QtGui>
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#include "utils/MdHighlighter.h"
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MdHighlighter::MdHighlighter(QTextDocument *parent)
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: QSyntaxHighlighter(parent)
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{
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HighlightingRule rule;
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keywordFormat.setForeground(Qt::gray);
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keywordFormat.setFontWeight(QFont::Bold);
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QStringList keywordPatterns;
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keywordPatterns << "^\\#{1,6}[ A-Za-z]+\\b" << "\\*\\*([^\\\\]+)\\*\\*"
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<< "\\*([^\\\\]+)\\*" << "\\_([^\\\\]+)\\_"
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<< "\\_\\_([^\\\\]+)\\_\\_";
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foreach (const QString &pattern, keywordPatterns) {
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rule.pattern = QRegExp(pattern);
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rule.format = keywordFormat;
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highlightingRules.append(rule);
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}
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singleLineCommentFormat.setFontWeight(QFont::Bold);
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singleLineCommentFormat.setForeground(Qt::darkGreen);
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rule.pattern = QRegExp(";[^\n]*");
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rule.format = singleLineCommentFormat;
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highlightingRules.append(rule);
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}
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void MdHighlighter::highlightBlock(const QString &text)
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{
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foreach (const HighlightingRule &rule, highlightingRules) {
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QRegExp expression(rule.pattern);
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int index = expression.indexIn(text);
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while (index >= 0) {
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int length = expression.matchedLength();
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setFormat(index, length, rule.format);
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index = expression.indexIn(text, index + length);
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}
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}
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setCurrentBlockState(0);
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}
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